Author: Felix Rex

Review Title: Good easy to use tool

This tool entered relatively easy into the nudges in the piston mechanism and is easy to use if you follow the YouTube video that comes with the tool on a QR code on how to use it to disassemble your Leonardo pen.

Author: Brendan Carroll

Review Title: Indispensable tool!

I bought this tool to use with my MomentoZero Grande (JoWo nib version), not knowing whether it would work. I had read that the piston mechanism was glued into the body of earlier Bock MZG models. To my pleasant surprise, the tool works perfectly. Now it's an essential part of my workflow when cleaning the pen or changing inks. Using this tool may have even improved the ink flow, because I can flush the nib unit in both directions. I wish it was cheaper, that's my only reservation. It's better made than DIY solutions to unscrew the piston I've seen.

Author: Douglas Rathbun

Review Title: Excellent wrench. Expensive!

The wrench is solid, machined steel, and works perfectly.

I think it should be included with the Leonardo pens and not a very high, extra cost.

Author: Kenneth Lim

Review Title: A necessary wrench to have

As an advocate of giving my pens a good wash prior to reinking to a different ink colour or to safekeep, I am glad Leonardo Officina Italia decided to fabricate a wrench for pen enthusiasts to use to remove the piston assembly. I do hope more pen makers will also do likewise. When used with the proper instructions, dismantling and then reassembling the piston assembly is a simple procedure. Above all, it allows the pen to be thoroughly clean and dried, which will prolong the lifespan of the parts and the pen body.

Author: Cyrus Lok

Review Title: A must have wrench for Magico maintenance

I have decided to buy this wrench after I owned two magicos, the momento magico range is the most reasonably price and most practical Leonardo's piston filler pen, I have digressed, but this wrench is definitely a must have for my magicos maintenance. Dr. Stephen BRE Brown has a YouTube video which demonstrates on how to use this wrench to disassemble the magico.

Author: Jonas

The piston Tool is very well made and easy to use. There is a video on Youtube that shows how to disassemble a Leonado Momento Magico using the piston tool. I recommend that you watch that before any disassemble takes places to avoid any damage on your pen. I would say that if you own any Leonardo pen that uses a piston filler this tool is mandatory for taking good care of your pen.